Aluminum paid off suspension system owner 1° toe-in leading connected with back suspension system. Redesigned to go the inner pivot location closer to the automobile center permitting to utilize longer and smaller suspension system supply options and new suspension system geometry. The narrower design increases right back traction. Recommended for high traction tracks specifically for carpeting songs. The aluminum suspension system system holders function integral suspension system Settings (I.S.S.) that allows for quick & effortless suspension geometry set-up. Machined from premium Swiss 7075 T6 aluminum and black colored colored coated. Making use of eccentric suspension system system bushings placed into aluminum suspension system system obstructs, along side additional suspension system shims, the XB4 suspension system system geometry can be completely modified.